Mathematics for IGCSE & O level - Limits Of Accuracy (Section 3 - No. 25)
A measurement is given as 27 cm to the nearest centimeter. What interval describes the range of possible values for this measurement?
26 cm - 27 cm
26.5 cm - 27.5 cm
27 cm - 28 cm
26 cm - 28 cm
Explanation
The measurement is to the nearest cm, so the lower bound is 26.5 cm and the upper bound is 27.5 cm.
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